78378531

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1091}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 130830336

約数和(自身を除く): 52451805

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 311, 933, 1091, 2177, 3273, 3421, 6531, 7637, 10263, 12001, 22911, 23947, 36003, 71841, 84007, 252021, 339301, 1017903, 2375107, 3732311, 7125321, 11196933, 26126177, 78378531]

約数ペア:

[(1, 78378531), (3, 26126177), (7, 11196933), (11, 7125321), (21, 3732311), (33, 2375107), (77, 1017903), (231, 339301), (311, 252021), (933, 84007), (1091, 71841), (2177, 36003), (3273, 23947), (3421, 22911), (6531, 12001), (7637, 10263)]